The hunt for the Gideon Cahill's serum, composed of 39 ingredients.
Amy & Dan
Dan and Amy do not win .
It matters what you mean, but in the end I guess they do.
i believe Amy and Dan are Madrigals.
Yes they are
The Answer is Amy and Dan
Amy and dan!
No they are Madrigals
Dan and amy's father
Amy and Dan
Amy and Dan Cahill are part of the Ekaterina branch in the 39 Clues series. The Ekaterina branch is known for their intelligence and passion for knowledge.
A crocodile.